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US3406446A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of manufacturing laminated metal panel

Assignee: Individual
•
Filing: 1963-10-29
•
Granted: 1968-10-22
•
Expires: 1983-10-29
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Abstract

No abstract record available.

Inventors

  • 👤 Stephen A Muldovan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 08:35
CPC Classifications
C; C22; C22C; C22C47/00; C22C47/02; C22C47/06; C22C47/062; C22C47/068; B; B23; B23K; B23K20/00; B23K20/22; B23K20/227; B23K20/2275; C22C47/20; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12444; Y10T428/12486; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 148 words
THE METHOD OF MANUFACTURING A LAMINATED METAL PANEL COMPRISING THE STEPS OF: (A) PLACING A WIRE MESH SCREEN WITH A MESH OPENING OF FROM 1/16 TO 1 INCH FORMED OF A FIRST METAL SELECTED FROM THE GROUP CONSISTING OF STAINLESS STELL AND CARBON STEEL BETWEEN TWO SOLID SHEETS FORMED OF A SECOND METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ALUMINUM ALLOYS; (B) HEATING SAID WIRE MESH SCREEN TO AN ELEVATED TEMPERATURE BETWEEN 1200*F.-1500*F. SO THAT UPON CONTACT WITH SAID TWO SOLID SHEETS SAID SHEETS BECOME SEMIPLASTIC; (C) APPLYING PRESSURE ON THE OUTER SURFACES OF SAID SHEETS TO FORCE THEM TOWARD EACH OTHER WHILE IN SAID SEMI-PLASTIC STATE SO THAT SAID SHEETS CONTACT EACH OTHER THROUGH THE INTERSTICES IN SAID WIRE MESH SCREEN; AND (D) THEREAFTER ALLOWING SAID SHEETS TO COOL TO FORM SOLID PHASE BONDS BETWEEN SAID SHEETS AT THE POINTS OF CONTACT BETWEEN SAID SHEETS.
Claim 2
Independent Claim 148 words
THE METHOD OF MANUFACTURING A LAMINATED METAL PANEL COMPRISING THE STEPS OF: (A) PLACING A WIRE MESH SCREEN WITH A MESH OPENING OF FROM 1/16 TO 1 INCH FORMED OF A FIRST METAL SELECTED FROM THE GROUP CONSISTING OF STAINLESS STELL AND CARBON STEEL BETWEEN TWO SOLID SHEETS FORMED OF A SECOND METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ALUMINUM ALLOYS; (B) HEATING SAID WIRE MESH SCREEN TO AN ELEVATED TEMPERATURE BETWEEN 1200*F.-1500*F. SO THAT UPON CONTACT WITH SAID TWO SOLID SHEETS SAID SHEETS BECOME SEMIPLASTIC; (C) APPLYING PRESSURE ON THE OUTER SURFACES OF SAID SHEETS TO FORCE THEM TOWARD EACH OTHER WHILE IN SAID SEMI-PLASTIC STATE SO THAT SAID SHEETS CONTACT EACH OTHER THROUGH THE INTERSTICES IN SAID WIRE MESH SCREEN; AND (D) THEREAFTER ALLOWING SAID SHEETS TO COOL TO FORM SOLID PHASE BONDS BETWEEN SAID SHEETS AT THE POINTS OF CONTACT BETWEEN SAID SHEETS.

References Cited (Backward Citations)

US529990A Cited
US1280908A Cited
US2213237A Cited
US2338091A Cited
US2357578A Cited
US2691815A Cited
US2753623A Cited
US3153581A Cited
US3132418A Cited
US3206847A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-10-22 1972-04-22 1972-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-10-22 1976-04-22 1976-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-10-22 1980-04-22 1980-10-22 $7700.00 Window Closed / Lapsed

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